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Date: Tue, 18 Aug 2015 21:04:35 -0400
From: green@...uxhacker.ru
To: Stephen Rothwell <sfr@...b.auug.org.au>,
Trond Myklebust <trond.myklebust@....uio.no>
Cc: linux-next@...r.kernel.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Chuck Lever <chuck.lever@...cle.com>,
Anna Schumaker <Anna.Schumaker@...app.com>,
Greg KH <greg@...ah.com>,
Andreas Dilger <andreas.dilger@...el.com>,
HPDD-discuss@...1.01.org, Oleg Drokin <green@...uxhacker.ru>,
Amir Shehata <amir.shehata@...el.com>,
Oleg Drokin <oleg.drokin@...el.com>
Subject: [PATCH] staging/lustre/o2iblnd: remove references to ib_reg_phsy_mr()
From: Oleg Drokin <green@...uxhacker.ru>
Removed references to ib_reg_phsy_mr() and PMR which was added
to deal with some Chelsio specific scenario, but no longer needed
now.
Signed-off-by: Amir Shehata <amir.shehata@...el.com>
Signed-off-by: Oleg Drokin <oleg.drokin@...el.com>
---
This fixes a build failure in Lustre due to ib_reg_phys_mr being removed.
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 251 +--------------------
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h | 32 +--
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c | 55 +----
.../lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c | 6 -
4 files changed, 19 insertions(+), 325 deletions(-)
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
index 24b2c97..c29d2ce 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
@@ -1789,140 +1789,6 @@ struct list_head *kiblnd_pool_alloc_node(kib_poolset_t *ps)
goto again;
}
-void kiblnd_pmr_pool_unmap(kib_phys_mr_t *pmr)
-{
- kib_pmr_pool_t *ppo = pmr->pmr_pool;
- struct ib_mr *mr = pmr->pmr_mr;
-
- pmr->pmr_mr = NULL;
- kiblnd_pool_free_node(&ppo->ppo_pool, &pmr->pmr_list);
- if (mr != NULL)
- ib_dereg_mr(mr);
-}
-
-int kiblnd_pmr_pool_map(kib_pmr_poolset_t *pps, kib_hca_dev_t *hdev,
- kib_rdma_desc_t *rd, __u64 *iova, kib_phys_mr_t **pp_pmr)
-{
- kib_phys_mr_t *pmr;
- struct list_head *node;
- int rc;
- int i;
-
- node = kiblnd_pool_alloc_node(&pps->pps_poolset);
- if (node == NULL) {
- CERROR("Failed to allocate PMR descriptor\n");
- return -ENOMEM;
- }
-
- pmr = container_of(node, kib_phys_mr_t, pmr_list);
- if (pmr->pmr_pool->ppo_hdev != hdev) {
- kiblnd_pool_free_node(&pmr->pmr_pool->ppo_pool, node);
- return -EAGAIN;
- }
-
- for (i = 0; i < rd->rd_nfrags; i++) {
- pmr->pmr_ipb[i].addr = rd->rd_frags[i].rf_addr;
- pmr->pmr_ipb[i].size = rd->rd_frags[i].rf_nob;
- }
-
- pmr->pmr_mr = ib_reg_phys_mr(hdev->ibh_pd,
- pmr->pmr_ipb, rd->rd_nfrags,
- IB_ACCESS_LOCAL_WRITE |
- IB_ACCESS_REMOTE_WRITE,
- iova);
- if (!IS_ERR(pmr->pmr_mr)) {
- pmr->pmr_iova = *iova;
- *pp_pmr = pmr;
- return 0;
- }
-
- rc = PTR_ERR(pmr->pmr_mr);
- CERROR("Failed ib_reg_phys_mr: %d\n", rc);
-
- pmr->pmr_mr = NULL;
- kiblnd_pool_free_node(&pmr->pmr_pool->ppo_pool, node);
-
- return rc;
-}
-
-static void kiblnd_destroy_pmr_pool(kib_pool_t *pool)
-{
- kib_pmr_pool_t *ppo = container_of(pool, kib_pmr_pool_t, ppo_pool);
- kib_phys_mr_t *pmr;
- kib_phys_mr_t *tmp;
-
- LASSERT(pool->po_allocated == 0);
-
- list_for_each_entry_safe(pmr, tmp, &pool->po_free_list, pmr_list) {
- LASSERT(pmr->pmr_mr == NULL);
- list_del(&pmr->pmr_list);
-
- if (pmr->pmr_ipb != NULL) {
- LIBCFS_FREE(pmr->pmr_ipb,
- IBLND_MAX_RDMA_FRAGS *
- sizeof(struct ib_phys_buf));
- }
-
- LIBCFS_FREE(pmr, sizeof(kib_phys_mr_t));
- }
-
- kiblnd_fini_pool(pool);
- if (ppo->ppo_hdev != NULL)
- kiblnd_hdev_decref(ppo->ppo_hdev);
-
- LIBCFS_FREE(ppo, sizeof(kib_pmr_pool_t));
-}
-
-static inline int kiblnd_pmr_pool_size(int ncpts)
-{
- int size = *kiblnd_tunables.kib_pmr_pool_size / ncpts;
-
- return max(IBLND_PMR_POOL, size);
-}
-
-static int kiblnd_create_pmr_pool(kib_poolset_t *ps, int size,
- kib_pool_t **pp_po)
-{
- struct kib_pmr_pool *ppo;
- struct kib_pool *pool;
- kib_phys_mr_t *pmr;
- int i;
-
- LIBCFS_CPT_ALLOC(ppo, lnet_cpt_table(),
- ps->ps_cpt, sizeof(kib_pmr_pool_t));
- if (ppo == NULL) {
- CERROR("Failed to allocate PMR pool\n");
- return -ENOMEM;
- }
-
- pool = &ppo->ppo_pool;
- kiblnd_init_pool(ps, pool, size);
-
- for (i = 0; i < size; i++) {
- LIBCFS_CPT_ALLOC(pmr, lnet_cpt_table(),
- ps->ps_cpt, sizeof(kib_phys_mr_t));
- if (pmr == NULL)
- break;
-
- pmr->pmr_pool = ppo;
- LIBCFS_CPT_ALLOC(pmr->pmr_ipb, lnet_cpt_table(), ps->ps_cpt,
- IBLND_MAX_RDMA_FRAGS * sizeof(*pmr->pmr_ipb));
- if (pmr->pmr_ipb == NULL)
- break;
-
- list_add(&pmr->pmr_list, &pool->po_free_list);
- }
-
- if (i < size) {
- ps->ps_pool_destroy(pool);
- return -ENOMEM;
- }
-
- ppo->ppo_hdev = kiblnd_current_hdev(ps->ps_net->ibn_dev);
- *pp_po = pool;
- return 0;
-}
-
static void kiblnd_destroy_tx_pool(kib_pool_t *pool)
{
kib_tx_pool_t *tpo = container_of(pool, kib_tx_pool_t, tpo_pool);
@@ -2078,7 +1944,6 @@ static void kiblnd_net_fini_pools(kib_net_t *net)
cfs_cpt_for_each(i, lnet_cpt_table()) {
kib_tx_poolset_t *tps;
kib_fmr_poolset_t *fps;
- kib_pmr_poolset_t *pps;
if (net->ibn_tx_ps != NULL) {
tps = net->ibn_tx_ps[i];
@@ -2089,11 +1954,6 @@ static void kiblnd_net_fini_pools(kib_net_t *net)
fps = net->ibn_fmr_ps[i];
kiblnd_fini_fmr_poolset(fps);
}
-
- if (net->ibn_pmr_ps != NULL) {
- pps = net->ibn_pmr_ps[i];
- kiblnd_fini_poolset(&pps->pps_poolset);
- }
}
if (net->ibn_tx_ps != NULL) {
@@ -2105,18 +1965,13 @@ static void kiblnd_net_fini_pools(kib_net_t *net)
cfs_percpt_free(net->ibn_fmr_ps);
net->ibn_fmr_ps = NULL;
}
-
- if (net->ibn_pmr_ps != NULL) {
- cfs_percpt_free(net->ibn_pmr_ps);
- net->ibn_pmr_ps = NULL;
- }
}
static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts)
{
unsigned long flags;
int cpt;
- int rc;
+ int rc = 0;
int i;
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
@@ -2137,12 +1992,16 @@ static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts)
goto failed;
}
- /* TX pool must be created later than FMR/PMR, see LU-2268
- * for details */
+ /*
+ * TX pool must be created later than FMR, see LU-2268
+ * for details
+ */
LASSERT(net->ibn_tx_ps == NULL);
- /* premapping can fail if ibd_nmr > 1, so we always create
- * FMR/PMR pool and map-on-demand if premapping failed */
+ /*
+ * premapping can fail if ibd_nmr > 1, so we always create
+ * FMR pool and map-on-demand if premapping failed
+ */
net->ibn_fmr_ps = cfs_percpt_alloc(lnet_cpt_table(),
sizeof(kib_fmr_poolset_t));
@@ -2158,7 +2017,7 @@ static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts)
kiblnd_fmr_pool_size(ncpts),
kiblnd_fmr_flush_trigger(ncpts));
if (rc == -ENOSYS && i == 0) /* no FMR */
- break; /* create PMR pool */
+ break;
if (rc != 0) { /* a real error */
CERROR("Can't initialize FMR pool for CPT %d: %d\n",
@@ -2175,38 +2034,8 @@ static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts)
cfs_percpt_free(net->ibn_fmr_ps);
net->ibn_fmr_ps = NULL;
- CWARN("Device does not support FMR, failing back to PMR\n");
-
- if (*kiblnd_tunables.kib_pmr_pool_size <
- *kiblnd_tunables.kib_ntx / 4) {
- CERROR("Can't set pmr pool size (%d) < ntx / 4(%d)\n",
- *kiblnd_tunables.kib_pmr_pool_size,
- *kiblnd_tunables.kib_ntx / 4);
- rc = -EINVAL;
- goto failed;
- }
-
- net->ibn_pmr_ps = cfs_percpt_alloc(lnet_cpt_table(),
- sizeof(kib_pmr_poolset_t));
- if (net->ibn_pmr_ps == NULL) {
- CERROR("Failed to allocate PMR pool array\n");
- rc = -ENOMEM;
- goto failed;
- }
-
- for (i = 0; i < ncpts; i++) {
- cpt = (cpts == NULL) ? i : cpts[i];
- rc = kiblnd_init_poolset(&net->ibn_pmr_ps[cpt]->pps_poolset,
- cpt, net, "PMR",
- kiblnd_pmr_pool_size(ncpts),
- kiblnd_create_pmr_pool,
- kiblnd_destroy_pmr_pool, NULL, NULL);
- if (rc != 0) {
- CERROR("Can't initialize PMR pool for CPT %d: %d\n",
- cpt, rc);
+ CWARN("Device does not support FMR\n");
goto failed;
- }
- }
create_tx_pool:
net->ibn_tx_ps = cfs_percpt_alloc(lnet_cpt_table(),
@@ -2318,17 +2147,13 @@ void kiblnd_hdev_destroy(kib_hca_dev_t *hdev)
static int kiblnd_hdev_setup_mrs(kib_hca_dev_t *hdev)
{
struct ib_mr *mr;
- int i;
int rc;
- __u64 mm_size;
- __u64 mr_size;
int acflags = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE;
rc = kiblnd_hdev_get_attr(hdev);
if (rc != 0)
return rc;
- if (hdev->ibh_mr_shift == 64) {
LIBCFS_ALLOC(hdev->ibh_mrs, 1 * sizeof(*hdev->ibh_mrs));
if (hdev->ibh_mrs == NULL) {
CERROR("Failed to allocate MRs table\n");
@@ -2347,53 +2172,6 @@ static int kiblnd_hdev_setup_mrs(kib_hca_dev_t *hdev)
hdev->ibh_mrs[0] = mr;
- goto out;
- }
-
- mr_size = 1ULL << hdev->ibh_mr_shift;
- mm_size = (unsigned long)high_memory - PAGE_OFFSET;
-
- hdev->ibh_nmrs = (int)((mm_size + mr_size - 1) >> hdev->ibh_mr_shift);
-
- if (hdev->ibh_mr_shift < 32 || hdev->ibh_nmrs > 1024) {
- /* it's 4T..., assume we will re-code at that time */
- CERROR("Can't support memory size: x%#llx with MR size: x%#llx\n",
- mm_size, mr_size);
- return -EINVAL;
- }
-
- /* create an array of MRs to cover all memory */
- LIBCFS_ALLOC(hdev->ibh_mrs, sizeof(*hdev->ibh_mrs) * hdev->ibh_nmrs);
- if (hdev->ibh_mrs == NULL) {
- CERROR("Failed to allocate MRs' table\n");
- return -ENOMEM;
- }
-
- for (i = 0; i < hdev->ibh_nmrs; i++) {
- struct ib_phys_buf ipb;
- __u64 iova;
-
- ipb.size = hdev->ibh_mr_size;
- ipb.addr = i * mr_size;
- iova = ipb.addr;
-
- mr = ib_reg_phys_mr(hdev->ibh_pd, &ipb, 1, acflags, &iova);
- if (IS_ERR(mr)) {
- CERROR("Failed ib_reg_phys_mr addr %#llx size %#llx : %ld\n",
- ipb.addr, ipb.size, PTR_ERR(mr));
- kiblnd_hdev_cleanup_mrs(hdev);
- return PTR_ERR(mr);
- }
-
- LASSERT(iova == ipb.addr);
-
- hdev->ibh_mrs[i] = mr;
- }
-
-out:
- if (hdev->ibh_mr_size != ~0ULL || hdev->ibh_nmrs != 1)
- LCONSOLE_INFO("Register global MR array, MR size: %#llx, array size: %d\n",
- hdev->ibh_mr_size, hdev->ibh_nmrs);
return 0;
}
@@ -2564,14 +2342,9 @@ int kiblnd_dev_failover(kib_dev_t *dev)
kiblnd_fail_poolset(&net->ibn_tx_ps[i]->tps_poolset,
&zombie_tpo);
- if (net->ibn_fmr_ps != NULL) {
+ if (net->ibn_fmr_ps)
kiblnd_fail_fmr_poolset(net->ibn_fmr_ps[i],
&zombie_fpo);
-
- } else if (net->ibn_pmr_ps != NULL) {
- kiblnd_fail_poolset(&net->ibn_pmr_ps[i]->
- pps_poolset, &zombie_ppo);
- }
}
}
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
index 8d45802..f4b6c33 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
@@ -104,7 +104,6 @@ typedef struct {
int *kib_map_on_demand; /* map-on-demand if RD has more
* fragments than this value, 0
* disable map-on-demand */
- int *kib_pmr_pool_size; /* # physical MR in pool */
int *kib_fmr_pool_size; /* # FMRs in pool */
int *kib_fmr_flush_trigger; /* When to trigger FMR flush */
int *kib_fmr_cache; /* enable FMR pool cache? */
@@ -163,7 +162,6 @@ kiblnd_concurrent_sends_v1(void)
/* Pools (shared by connections on each CPT) */
/* These pools can grow at runtime, so don't need give a very large value */
#define IBLND_TX_POOL 256
-#define IBLND_PMR_POOL 256
#define IBLND_FMR_POOL 256
#define IBLND_FMR_POOL_FLUSH 192
@@ -232,17 +230,6 @@ typedef struct {
struct page *ibp_pages[0]; /* page array */
} kib_pages_t;
-struct kib_pmr_pool;
-
-typedef struct {
- struct list_head pmr_list; /* chain node */
- struct ib_phys_buf *pmr_ipb; /* physical buffer */
- struct ib_mr *pmr_mr; /* IB MR */
- struct kib_pmr_pool *pmr_pool; /* owner of this MR */
- __u64 pmr_iova; /* Virtual I/O address */
- int pmr_refcount; /* reference count */
-} kib_phys_mr_t;
-
struct kib_pool;
struct kib_poolset;
@@ -299,15 +286,6 @@ typedef struct {
} kib_tx_pool_t;
typedef struct {
- kib_poolset_t pps_poolset; /* pool-set */
-} kib_pmr_poolset_t;
-
-typedef struct kib_pmr_pool {
- struct kib_hca_dev *ppo_hdev; /* device for this pool */
- kib_pool_t ppo_pool; /* pool */
-} kib_pmr_pool_t;
-
-typedef struct {
spinlock_t fps_lock; /* serialize */
struct kib_net *fps_net; /* IB network */
struct list_head fps_pool_list; /* FMR pool list */
@@ -347,7 +325,6 @@ typedef struct kib_net {
kib_tx_poolset_t **ibn_tx_ps; /* tx pool-set */
kib_fmr_poolset_t **ibn_fmr_ps; /* fmr pool-set */
- kib_pmr_poolset_t **ibn_pmr_ps; /* pmr pool-set */
kib_dev_t *ibn_dev; /* underlying IB device */
} kib_net_t;
@@ -554,10 +531,7 @@ typedef struct kib_tx /* transmit message */
int tx_nfrags; /* # entries in... */
struct scatterlist *tx_frags; /* dma_map_sg descriptor */
__u64 *tx_pages; /* rdma phys page addrs */
- union {
- kib_phys_mr_t *pmr; /* MR for physical buffer */
- kib_fmr_t fmr; /* FMR */
- } tx_u;
+ kib_fmr_t fmr; /* FMR */
int tx_dmadir; /* dma direction */
} kib_tx_t;
@@ -978,10 +952,6 @@ int kiblnd_fmr_pool_map(kib_fmr_poolset_t *fps, __u64 *pages,
int npages, __u64 iov, kib_fmr_t *fmr);
void kiblnd_fmr_pool_unmap(kib_fmr_t *fmr, int status);
-int kiblnd_pmr_pool_map(kib_pmr_poolset_t *pps, kib_hca_dev_t *hdev,
- kib_rdma_desc_t *rd, __u64 *iova, kib_phys_mr_t **pp_pmr);
-void kiblnd_pmr_pool_unmap(kib_phys_mr_t *pmr);
-
int kiblnd_startup(lnet_ni_t *ni);
void kiblnd_shutdown(lnet_ni_t *ni);
int kiblnd_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg);
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
index 5a8ebe1..a23a6d9 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -121,7 +121,6 @@ kiblnd_get_idle_tx(lnet_ni_t *ni, lnet_nid_t target)
LASSERT(tx->tx_conn == NULL);
LASSERT(tx->tx_lntmsg[0] == NULL);
LASSERT(tx->tx_lntmsg[1] == NULL);
- LASSERT(tx->tx_u.pmr == NULL);
LASSERT(tx->tx_nfrags == 0);
return tx;
@@ -575,7 +574,7 @@ kiblnd_fmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
cpt = tx->tx_pool->tpo_pool.po_owner->ps_cpt;
fps = net->ibn_fmr_ps[cpt];
- rc = kiblnd_fmr_pool_map(fps, pages, npages, 0, &tx->tx_u.fmr);
+ rc = kiblnd_fmr_pool_map(fps, pages, npages, 0, &tx->fmr);
if (rc != 0) {
CERROR("Can't map %d pages: %d\n", npages, rc);
return rc;
@@ -583,8 +582,8 @@ kiblnd_fmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
/* If rd is not tx_rd, it's going to get sent to a peer, who will need
* the rkey */
- rd->rd_key = (rd != tx->tx_rd) ? tx->tx_u.fmr.fmr_pfmr->fmr->rkey :
- tx->tx_u.fmr.fmr_pfmr->fmr->lkey;
+ rd->rd_key = (rd != tx->tx_rd) ? tx->fmr.fmr_pfmr->fmr->rkey :
+ tx->fmr.fmr_pfmr->fmr->lkey;
rd->rd_frags[0].rf_addr &= ~hdev->ibh_page_mask;
rd->rd_frags[0].rf_nob = nob;
rd->rd_nfrags = 1;
@@ -592,42 +591,6 @@ kiblnd_fmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
return 0;
}
-static int
-kiblnd_pmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
-{
- kib_hca_dev_t *hdev;
- kib_pmr_poolset_t *pps;
- __u64 iova;
- int cpt;
- int rc;
-
- LASSERT(tx->tx_pool != NULL);
- LASSERT(tx->tx_pool->tpo_pool.po_owner != NULL);
-
- hdev = tx->tx_pool->tpo_hdev;
-
- iova = rd->rd_frags[0].rf_addr & ~hdev->ibh_page_mask;
-
- cpt = tx->tx_pool->tpo_pool.po_owner->ps_cpt;
-
- pps = net->ibn_pmr_ps[cpt];
- rc = kiblnd_pmr_pool_map(pps, hdev, rd, &iova, &tx->tx_u.pmr);
- if (rc != 0) {
- CERROR("Failed to create MR by phybuf: %d\n", rc);
- return rc;
- }
-
- /* If rd is not tx_rd, it's going to get sent to a peer, who will need
- * the rkey */
- rd->rd_key = (rd != tx->tx_rd) ? tx->tx_u.pmr->pmr_mr->rkey :
- tx->tx_u.pmr->pmr_mr->lkey;
- rd->rd_nfrags = 1;
- rd->rd_frags[0].rf_addr = iova;
- rd->rd_frags[0].rf_nob = nob;
-
- return 0;
-}
-
void
kiblnd_unmap_tx(lnet_ni_t *ni, kib_tx_t *tx)
{
@@ -635,13 +598,9 @@ kiblnd_unmap_tx(lnet_ni_t *ni, kib_tx_t *tx)
LASSERT(net != NULL);
- if (net->ibn_fmr_ps != NULL && tx->tx_u.fmr.fmr_pfmr != NULL) {
- kiblnd_fmr_pool_unmap(&tx->tx_u.fmr, tx->tx_status);
- tx->tx_u.fmr.fmr_pfmr = NULL;
-
- } else if (net->ibn_pmr_ps != NULL && tx->tx_u.pmr != NULL) {
- kiblnd_pmr_pool_unmap(tx->tx_u.pmr);
- tx->tx_u.pmr = NULL;
+ if (net->ibn_fmr_ps && tx->fmr.fmr_pfmr) {
+ kiblnd_fmr_pool_unmap(&tx->fmr, tx->tx_status);
+ tx->fmr.fmr_pfmr = NULL;
}
if (tx->tx_nfrags != 0) {
@@ -687,8 +646,6 @@ kiblnd_map_tx(lnet_ni_t *ni, kib_tx_t *tx,
if (net->ibn_fmr_ps != NULL)
return kiblnd_fmr_map_tx(net, tx, rd, nob);
- else if (net->ibn_pmr_ps != NULL)
- return kiblnd_pmr_map_tx(net, tx, rd, nob);
return -EINVAL;
}
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c
index b0e0036..b3d1b5d 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c
@@ -126,11 +126,6 @@ static int fmr_cache = 1;
module_param(fmr_cache, int, 0444);
MODULE_PARM_DESC(fmr_cache, "non-zero to enable FMR caching");
-/* NB: this value is shared by all CPTs, it can grow at runtime */
-static int pmr_pool_size = 512;
-module_param(pmr_pool_size, int, 0444);
-MODULE_PARM_DESC(pmr_pool_size, "size of MR cache pmr pool on each CPT");
-
/*
* 0: disable failover
* 1: enable failover if necessary
@@ -170,7 +165,6 @@ kib_tunables_t kiblnd_tunables = {
.kib_fmr_pool_size = &fmr_pool_size,
.kib_fmr_flush_trigger = &fmr_flush_trigger,
.kib_fmr_cache = &fmr_cache,
- .kib_pmr_pool_size = &pmr_pool_size,
.kib_require_priv_port = &require_privileged_port,
.kib_use_priv_port = &use_privileged_port,
.kib_nscheds = &nscheds
--
2.1.0
--
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